-68.54% is the change from 178 to 56
Calculation steps:
[( 56 - 178 ) ÷ 178] x 100 = -68.54%
Formula
Percentage change = [(56 - 178) / 178] x 100
Subtract the new number by the original number
56 - 178 = -122
-122 ÷ 178 = -0.6853932584269663
-0.6853932584269663 x 100 = -68.54%